National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago/Waukegan Regional Airport (KUGN)

Lat: 42.43°NLon: 87.86°WElev: 709ft.

Fair

51°F

11°C

Humidity 50%
Wind Speed NE 15 G 26 mph
Barometer 30.31 in (1026.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 26 Apr 4:51 pm CDT
Extended Forecast for

Round Lake Park IL

  • Tonight

    Tonight: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. East northeast wind 5 to 10 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 63. East northeast wind 5 to 15 mph becoming southeast in the afternoon.

    High: 63 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72. Breezy. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. East northeast wind 5 to 10 mph.
Sunday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 63. East northeast wind 5 to 15 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 49. South wind around 10 mph, with gusts as high as 15 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 79. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72. Breezy. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 45.
Thursday
Showers likely. Mostly cloudy, with a high near 60.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Round Lake Park IL
 42.33°N 88.05°W
Last Update:
4:06 pm CDT Apr 26, 2025
Forecast Valid:
4pm CDT Apr 26, 2025-6pm CDT May 3, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation